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This research is motivated by the lack of teachers' ability to use media related to the students environment as teaching materials to develop primary school students' critical thinking ability. The research aims at developing problem-based learning media (PBL) using comic book in order to improve students' critical thinking ability. The research employed a research and development design using the experimental research design with a one-group pretest-posttest design. The subjects of the research were 28 fourth-grade students in one of primary schools in Indramayu Regency. The research produced a product in the form of problem-based comic media developed based on the needs of teachers and students. The subject material in the comic book contained problems that occurred in the real environment within the students. Based on the validation tests carried out by material experts, media experts and practitioners, the results revealed that the product was included in the “Very Valid” category. While, the practicality test results revealed that the product was included in the “Very Practical”.

This research is motivated by the lack of students in poetry writing skills. This study aims to determine the effect ofmedia Big Book on poetry writing skills as well as differences in poetry writing skills between groups of students who take thelearning media Big Book and groups of students who take conventional learning. This research is a quasi-experimental design with Nonequivalent Control Group Design. The sample in this study were students in class IVA with a total of 20 students and students in class IVB with a total of 20 students, students of SD Negeri Kalapadua I, Lemahsugih Sub-district, Majalengka Regency, who were determined by simple random sampling technique by lottery. Data collection techniques through written tests using the Process Worksheet (LKP), observation sheets and documentation. Analysis of the data used is qualitative data and quantitative data. Qualitative data were obtained from teacher and student observation sheets and quantitative data were analyzed through statistical description tests, normality tests and Mann-Whitney tests or U tests. Based on the results of data analysis, it showed that: 1) there were significant differences in the initial ability of poetry writing skills between experimental classes and control class. But it can be seen from the results of the average value that the experimental class data of 34.00 lower than the average value of the overall control class of 42.00 can be said that the initial ability of the control class is better than the experimental class before the treatment is given. 2) there is a significant difference in poetry writing skills between classes using big book media and those applying conventional learning that is Sig. (2-tailed) 0,000 <0.05.   Abstrak Penelitian ini dilatarbelakangi oleh rendahnya siswa dalam keterampilan menulis puisi. Penelitian ini bertujuan mengetahui pengaruh media Big Book terhadap keterampilan menulis puisi  serta perbedaan keterampilan menulis puisi antara kelompok siswa yang mengikuti media pembelajaran Big Book dengan kelompok siswa yang mengikuti pembelajaran konvensional. Penelitian ini merupakan kuasi eksperimen dengan desain Nonequivalent Control Group Desain. Sampel dalam penelitian ini yaitu siswa kelas IVA dengan jumlah 20 siswa dan siswa kelas IVB dengan jumlah siswa 20, siswa SD Negeri Kalapadua I Kecamatan Lemahsugih Kabupaten Majalengka yang ditentukan dengan teknik simple random sampling dengan cara undian. Teknik pengumpulan data melalui tes tertulis menggunakan Lembar Kerja Proses (LKP), lembar observasi dan dokumentasi. Analisis data yang digunakan yaitu data kualitatif dan data kuantitatif. Data kualitatif diperoleh dari lembar observasi guru dan siswa dan data kuantitaif dianalisis melalui uji deskripsi statistik, uji normalitas dan uji Mann-Whitney atau uji U. Berdasarkan hasil analisis data menunjukkan bahwa : 1) terdapat perbedaan yang signifikan kemampuan awal keterampilan menulis puisi antara kelas eksperimen dan kelas kontrol. Tetapi dapat dilihat dari hasil nilai rata-rata bahwa data kelas eksperimen sebesar 34,00 lebih rendah dibandingkan dengan nilai rata – rata kelas kontrol secara keseluruhan sebesar 42,00 dapat dikatakan bahwa kemampuan awal kelas kontrol lebih baik dibandingkan dengan kelas eksperimen sebelum diberikannya perlakuan. 2) terdapat perbedaan yang signifikan terhadap keterampilan menulis puisi antara kelas yang menggunakan media big book dengan yang menerapkan pembelajaran konvensional yaitu nilai Sig. (2-tailed) 0,000 <0,05. Kata Kunci: Big Book, Keterampilan Menulis Puisi

This study aims to determine the scientific attitude of students after applying the ecoliteration model. The type of research used is experimental. The design used was a quasi-experimental design in which two groups were given different treatments. The population of this study were all fifth grade students of SD Negeri Sidamukti I and SD Negeri Sidamukti II with 44 students. The results obtained by the value of the analysis using the average score of students' scientific attitudes in science learning, the average value of the posttest results for the experimental class was 80.27 and the average value of the posttest results for the control class was 70.77 then there is a difference of 9.5. Based on the results of data analysis, hypothesis testing using paired sample t-test with sig level. 0.05, which is equal to p =, 000 <0.05 = α so that H0 is rejected. The results of the analysis using independent sample t-test with sig level. 0.05, which is equal to p =, 000 <0.05 = α so that Ha is rejected. This means that there is a difference in the posttest results in the experimental class and the control class. The results of the study concluded that there was an effect on science learning outcomes using the ecoliteration learning model. This means that there is an influence of the ecoliteracy learning model on students' scientific attitudes..

The purpose of this study was to describe the effectiveness of a teaching materials based on local wisdom in jigsaw learning model to skill of writing description. The method used in this study is a quasi experimental design with two groups: the experimental class and control class. The results showed differences in the skills of writing description between the two classes. In the control class tend to not experience a significant increase, while the experimental class increased. The average value of the current skill of writing description in control class pretest to post-test by 61.25 to 71.40, increased 15.57% with average value of n-gain 0.274 in low category. Meanwhile, the average value in experimental class pretest to post-test by 61.22 to 83.31, increased 36.08% with average value of n-gain 0.570 in medium category. The difference of gain indicates that a teaching materials based on local wisdom in jigsaw learning model effectively used to improve the skills of writing description.   Abstrak Tujuan penelitian adalah untuk mendeskripsikan keefektifan bahan ajar berbasis kearifan lokal dalam model pembelajaran teknik jigsaw terhadap keterampilan menulis deskripsi. Metode penelitian menggunakan eksperimen kuasi dengan desain dua kelompok yaitu kelas eksperimen dan kelas kontrol. Hasil penelitian menunjukkan pada kelas kontrol cenderung tidak mengalami peningkatan yang signifikan, sedangkan pada kelas eksperimen terjadi peningkatan. Nilai rata-rata keterampilan menulis deskripsi kelas kontrol pada prates 61.25 pascates 71.40 peningkatan sebesar 16.57% dengan rata-rata n-gain 0.274 termasuk kategori rendah. Sementara itu, nilai rata-rata keterampilan menulis deskripsi kelas eksperimen saat prates 61,22 pada pascates menjadi 83,31 peningkatan sebesar 36.08% dengan rata-rata n-gain 0.570 termasuk kategori sedang. Perbedaan peningkatan tersebut mengindikasikan bahwa bahan ajar berbasis kearifan lokal dalam model pembelajaran teknik jigsaw efektif digunakan untuk meningkatkan keterampilan menulis deskripsi. Kata Kunci:  Bahan Ajar Berbasis Kearifan Lokal, Model Pembelajaran Teknik Jigsaw, Keterampilan Menulis Deskrispi